What is the purpose of BURN_BRIDGES?

[Alan Somers]

On Thu, Mar 28, 2019 at 6:46 AM Sebastian Huber
<sebastian.huber at embedded-brains.de> wrote:
>
> Hello,
>
> I turned on BURN_BRIDGES in my global kernel configuration and now I get
> undefined references, e.g.
>
>
> No BURN_BRIDGES conditional compilation. Is this option supposed to
> work? What is its purpose? I enabled it to get rid of some legacy stuff
> in bpf.c.
>
> --
> Sebastian Huber, embedded brains GmbH

I've often wondered that myself.  "svn blame" turns up the following.
Evidentially the code didn't disappear in 6.0 after all.

------------------------------------------------------------------------
r116236 | imp | 2003-06-11 22:39:32 -0600 (Wed, 11 Jun 2003) | 5 lines

New global option: BURN_BRIDGES

Compile out code that will disappear in 6.0, per Peter Wemm's bridge
burning proposal.